Janne Sauvala

Senior Machine Learning Engineer at Wolt / DoorDash

Espoo, Uusimaa, Finland

About

Strong software engineering professional with 10+ years of experience in software engineering, data engineering, machine learning and data science. Currently building data pipelines and machine learning infrastructure and services for one of the biggest ad networks in the world.

Experience

  • Senior Machine Learning Engineer at Wolt
    Mar 2026 - Present · 5 mos

  • Senior Software Engineer at Unity
    Mar 2019 - Feb 2026 · 7 yrs

    Building state-of-the-art machine learning and data science infrastructure and services for one of the biggest ad networks in the world. I work closely with our data scientists to build, train, deploy, serve, and monitor (MLOps) our deep neural network models.

  • Software Developer at Reaktor
    May 2017 - Mar 2019 · 1 yr 11 mos

    Fullstack development with Docker, AWS, React, Node.js, Clojure, ClojureScript, PostgreSQL, Firebase, Terraform, Javascript.

  • Aalto University ()
    • Research Assistant
      Jan 2018 - Sep 2018 · 9 mos

      Research in collaboration with Reaktor to understand current challenges of creating new digital services that leverages Data Science, Machine Learning and AI.

    • Agile Coach
      Nov 2017 - Apr 2018 · 6 mos

      Coaching a software development team on agile methods and software engineering best practices.

  • Software Engineer at Varian Medical Systems
    May 2014 - Sep 2016 · 2 yrs 5 mos

    Software development with modern C# and C++ frameworks.